Background: Radiofrequency ablation (RFA) is considered as a convenient treatment with mild damage in treating recurrent hepatocellular carcinoma (RHCC). However, for patients with high risk of progression after RFA still needs new strategies to decrease the repeat recurrence.
Methods: A total of 460 patients with RHCC within Milan criteria in four institutions were enrolled. 174 pairs were enrolled after propensity score matching (PSM). Overall survival (OS) and tumor-free survival (TFS) were compared between the two groups. A quantitative score system was established to screen out the beneficial population from RFA-sorafenib treatment.
Results: The 1-, 3-, and 5-year OS rates were 97.7%, 83.7%, 54.7% for RFA-sorafenib group, and 93.1%, 61.3%, 30.9% for RFA group after PSM, respectively. Compared with the RFA group, the RFA-sorafenib group had significantly better OS (P < 0.001). The 1-, 3-, and 5-year TFS rates were 90.8%, 49.0%, 20.4% for RFA-sorafenib group, and 67.8%, 28.0%, 14.5% for RFA group after PSM. The difference was observed significantly between RFA-sorafenib group and RFA group (P < 0.001). A quantitative risk score system was established to precisely screen out the beneficial population from RFA-sorafenib treatment.
Conclusions: Adjuvant sorafenib after RFA was superior to RFA alone in improving survival outcomes in patients with recurrent HCC within Milan criteria after initial hepatectomy. Subgroup analyses concluded that patients with high risk score had significantly longer survival from sorafenib administration.
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| http://dx.doi.org/10.1007/s00535-022-01895-3 | DOI Listing |
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